O'Connor, E1928–Regan, N1978½-½
4NCL Div 2 2023-24 · Round 4.1 · 2024.01.14 · B02 Alekhine Defense: Sämisch Attack · head-to-head →
Stockfish 18 Lite1 threads
on-device engine · eval graph, accuracy, blunders
Open in explorer←/→ moves · ↑/↓ variations · drag pieces to branch